Cheap flights from Washington to Boise from $99

The month of January is, on average, the cheapest month to fly to Boise from State of Washington, with most prices found around $168. If you aren’t able to travel during the month of January, then book flights to Boise from State of Washington during April instead. Flights to Boise in April, while not as cheap as those in January, still average around $195.

Our data shows that Friday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $241. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $336. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

Our data shows that the cheapest State of Washington to Boise flights are usually those with departure times in the evening. Our users have found flights to Boise in the evening for as low as $237. In the morning is when there is more demand to fly to Boise, so prices are often more expensive at around $288 per ticket.

Fly from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld for the best Washington - Boise Air Term. Gowen Fld flight prices

You are more likely to see cheaper flights to Boise from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $254 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from State of Washington for as low as $181 on momondo.

There are 4 cabin classes available to choose from on State of Washington to Boise flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of November 2026, there are 30 flights per day flying from State of Washington to Boise. The most common time of day flights depart is 7:00PM, with 45% of flights taking off in the afternoon.

As of November 2026, there are 210 flights per week flying from State of Washington to Boise. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.